1216547

Information

• Patent Grant
• 1216547

• References
• Source

• Patent Number

  1,216,547

• Date Filed

  Not available

• Date Issued

  Tuesday, February 20, 1917
  107 years ago

• CPC

  • B01D29/0075 - Regeneration of the filtering material in the filter

• US Classifications

  • 210 - Liquid purification or separation